1 files changed, 52 insertions, 0 deletions
diff --git a/lib/romlib/genwrappers.sh b/lib/romlib/genwrappers.sh
new file mode 100755
index 00000000..bcf670b9
--- /dev/null
+++ b/lib/romlib/genwrappers.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+# Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+set -e
+
+build=.
+out=output.a
+
+for i
+do
+	case $i in
+	-o)
+		out=$2
+		shift 2
+		;;
+	-b)
+		build=$2
+		shift 2
+		;;
+	--)
+		shift
+		break
+		;;
+	-*)
+		echo usage: genwrappers.sh [-o output] [-b dir] file ... >&2
+		exit 1
+		;;
+	esac
+done
+
+awk  '{sub(/[:blank:]*#.*/,"")}
+!/^$/ {print $1*4, $2, $3}' "$@" |
+while read idx lib sym
+do
+	file=$build/${lib}_$sym
+
+	cat <<EOF > $file.s
+	.globl	$sym
+$sym:
+	ldr	x17, =jmptbl
+	ldr	x17, [x17]
+	mov	x16, $idx
+	add	x16, x16, x17
+	br	x16
+EOF
+
+	${CROSS_COMPILE}as -o $file.o $file.s
+done
+
+${CROSS_COMPILE}ar -rc $out $build/*.o